公开(公告)号：US20220177635A1

公开(公告)日：2022-06-09

申请号：US17433169

申请日：2019-03-15

Applicant: Yanli FENG ,  Hongyu CHEN ,  Shaoguang FENG ,  Huan CHEN ,  Lili SHI ,  Xiuyuan NI ,  Lingyuan PANG ,  BAO Ming ,  Dow Silicones Corporation ,  Dow Global Technologies LLC

Inventor： Yanli Feng ,  Hongyu Chen ,  Shaoguang Feng ,  Huan Chen ,  Lili Shi ,  Xiuyuan Ni ,  Lingyun Pang ,  Ming Bao

IPC: C08G18/08 ,  C08G18/32 ,  C08G18/48 ,  C08G18/61

Abstract: A waterborne polyurethane dispersion is provided. The waterborne polyurethane dispersion comprises residual moiety of a hydroxy-terminated siloxane compound in the main chain and exhibits good anti-stickiness while retaining superior mechanical properties. A laminated synthetic leather article prepared with said waterborne polyurethane dispersion as well the method for preparing the synthetic leather article are also provided.

公开(公告)号：US09834671B2

公开(公告)日：2017-12-05

申请号：US14436189

申请日：2012-11-07

Applicant: Dow Global Technologies LLC

Inventor： Yanli Feng ,  Lejun Qi ,  Yi Zhang ,  Wei Du

IPC: C08L63/00 ,  C08L63/04 ,  C08L67/06 ,  C08G59/42 ,  C08G59/28 ,  C08J5/04 ,  C08K5/1539

CPC classification number: C08L63/00 ,  C08G59/42 ,  C08J5/04 ,  C08J2363/00 ,  C08J2463/00 ,  C08K5/1539 ,  C08L63/04 ,  C08L67/06 ,  C08L2205/02

Abstract: A curable epoxy resin composition including: (a) a cycloaliphatic epoxy resin, (b) an oxazolidone ring-containing epoxy resin, (c) a reaction product of (i) an anhydride compound and (ii) a polyol, and (d) an anhydride hardener; a process for preparing the curable epoxy resin composition; and a composite including a reinforcing fiber embedded in a thermoset resin, wherein the thermoset resin is a reaction product of the curable epoxy resin composition.

公开(公告)号：US11472910B2

公开(公告)日：2022-10-18

申请号：US17044651

申请日：2018-05-18

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： Yanli Feng ,  Weijun Zhou ,  Luigi Bertucelli ,  Rajat Duggal ,  Yibei Gu ,  Wei Liu ,  Davide Micheletti

IPC: C08G18/42 ,  B32B5/20 ,  B32B15/04 ,  B32B15/095 ,  B32B15/20 ,  C08G18/64 ,  C08G18/76 ,  C08G18/80

Abstract: A polyisocyanate component, a polyurethane foaming system, and an article made therefrom, wherein the polyisocyanate component includes (a) a preformed mixture including an aromatic oxazolidone compound that is the reaction product of at least one aromatic epoxide and at least one first polyisocyanate having an average isocyanate functionality of no more than 2.7 and greater than 1.8, in the presence of at least one catalyst, the aromatic oxazolidone compound includes at least one free isocyanate group and at least one aromatic oxazolidone group, the aromatic oxazolidone group includes an aromatic group and an oxazolidone group, and (b) at least one second polyisocyanate has an average isocyanate functionality equal to or greater than 2.7 and less than 6.0. The second polyisocyanate is added to the preformed mixture to form the polyisocyanate component. The polyisocyanate component has a viscosity of no more than 4.0 Pa-sat 25° C., an aromatic oxazolidone group content of 2 weight percent to 10 weight percent based on a total weight of the polyisocyanate component, and an average isocyanate functionality of from 1.8 to 6.0.

公开(公告)号：US20220177753A1

公开(公告)日：2022-06-09

申请号：US17600830

申请日：2019-05-15

Applicant: Dow Global Technologies LLC

Inventor： Yu Chen ,  Shaoguang Feng ,  Qingwei Meng ,  Yanli Feng ,  Huan Chen ,  Xuemei Zhai

IPC: C09J175/06 ,  C09J175/08 ,  C08G18/12 ,  C08G18/48 ,  C08G18/42 ,  C08G18/40 ,  C08G18/58 ,  C08G18/76

Abstract: A two-component adhesive composition is provided. The two-component adhesive composition comprises an isocyanate component, an isocyanate-reactive component and an amine-epoxy adduct, and can achieve superior adhesion strength between the adhesive and a substrate like metal alloy substrate. A laminated article prepared with said composition, a method for preparing the article and the use of the amine-epoxy adduct as adhesion promoter in a two-component polyurethane adhesive composition are also provided.

公开(公告)号：US20220025144A1

公开(公告)日：2022-01-27

申请号：US17294291

申请日：2019-01-08

Applicant: Dow Global Technologies LLC

Inventor： Xiaolian Hu ,  Yanli Feng ,  Kaisheng Bian ,  Xiangyang Tai ,  Yi Zhang ,  Hongyu Chen ,  Juelin Liu

IPC: C08J9/12 ,  C08G18/42 ,  C08G18/32 ,  C08G18/66 ,  C08G18/76 ,  C08G18/18 ,  C08G18/22 ,  C08G18/16 ,  C08K5/521 ,  C08J9/14 ,  C08J9/00

Abstract: A composition for preparing polyisocyanurate and polyurethane foams is provided, comprising A) a first isocyanate-reactive component comprising a bisphenol, B) a second isocyanate-reactive component different from the first isocyanate-reactive component, and C) a polyisocyanate component. A method for preparing the polyisocyanurate and polyurethane foams, and foams prepared thereby are also provided.

公开(公告)号：US10392539B2

公开(公告)日：2019-08-27

申请号：US15509877

申请日：2015-08-13

Applicant: Dow Global Technologies LLC

Inventor： Gary L. Jialanella ,  Andreas Lutz ,  Eric E. Cole ,  Glenn G. Eagle ,  Rajesh H. Turakhia ,  Yanli Feng

IPC: C09J163/00 ,  C09J5/06 ,  C09J11/02 ,  C09J175/04 ,  C09J153/00 ,  C08L63/00

Abstract: Aspects of the present invention provide a one component epoxy adhesive composition having improved impact resistance at low temperatures, such as −40° C. or less. In a first aspect, the adhesive includes one or more epoxy resins; at least one polyurethane based toughener; at least one amphipathic block copolymer; and one or more epoxy curing agents. In a further, aspect epoxy adhesive compositions having improved wash off resistance are also provided.

公开(公告)号：US12258705B2

公开(公告)日：2025-03-25

申请号：US17597742

申请日：2019-09-25

Applicant: Dow Global Technologies LLC

Inventor： Chao Zhang ,  Yanli Feng ,  Shihao Qin

IPC: D06N3/14 ,  D06N3/00

Abstract: A non-solvent two-component polyurethane artificial leather composition is provided. The polyurethane composition comprises (A) a polyurethane-prepolymer component, comprising one or more polyurethane-prepolymers prepared by reacting at least one polyisocyanate compound with at least one first polyol, wherein the polyurethane-prepolymer comprises at least two free isocyanate groups; and (B) a polyol component, comprising at least one second polyol; wherein the polyol component further comprises an encapsulated foaming agent comprising at least one foaming core phase encapsulated within an outer shell. The polyurethane leather product derived from the polyurethane composition exhibits enhanced stability, mild bubble generation and improved cost effectiveness. A polyurethane leather product prepared with said composition and the method for preparing the same are also provided.

公开(公告)号：US20240247094A1

公开(公告)日：2024-07-25

申请号：US18561328

申请日：2021-08-30

Applicant: Dow Global Technologies LLC

Inventor： Xiaolian Hu ,  Chao Zhang ,  Ling Zhong ,  Xiangyang Tai ,  Yanli Feng

IPC: C08G18/10 ,  C08G18/42 ,  C08G18/48 ,  C08G18/76 ,  C08G101/00 ,  D06N3/00 ,  D06N3/14

CPC classification number: C08G18/10 ,  C08G18/4238 ,  C08G18/4812 ,  C08G18/4825 ,  C08G18/4829 ,  C08G18/7671 ,  D06N3/0047 ,  D06N3/0063 ,  D06N3/0097 ,  D06N3/145 ,  D06N3/146 ,  D06N3/147 ,  C08G2101/00 ,  C08G2110/0083 ,  D06N2203/068 ,  D06N2205/023 ,  D06N2205/045 ,  D06N2209/10 ,  D06N2209/1664 ,  D06N2211/103 ,  D06N2211/106 ,  D06N2213/03

Abstract: A waterborne polyurethane dispersion for the polyurethane foam of synthetic leather application, derived from (1) a prepolymer derived from the reaction of reactants comprising at least one aromatic isocyanate compound, an ethylene oxide-capped polyether triol, at least one polyether diol, and at least one polyester diol; (2) water; and (3) surfactant, is disclosed. The waterborne polyurethane dispersion can be used to prepare a synthetic leather product having superior wrinkle resistance, hand-feeling and peel strength. A synthetic leather article prepared with said waterborne polyurethane dispersion is also disclosed.

公开(公告)号：US20240003079A1

公开(公告)日：2024-01-04

申请号：US18252062

申请日：2021-01-18

Applicant: Dow Global Technologies LLC

Inventor： Xiaolian Hu ,  Chao Zhang ,  Biao Ma ,  Nan Wang ,  Yanli Feng

IPC: D06N3/14 ,  C08G18/12 ,  C08G18/32 ,  C08G18/61 ,  C08G18/65 ,  C08J5/18 ,  D06N3/00

CPC classification number: D06N3/145 ,  C08G18/12 ,  C08G18/3228 ,  C08G18/61 ,  C08G18/6529 ,  C08J5/18 ,  D06N3/0059 ,  D06N3/0011 ,  D06N3/0047 ,  D06N3/0065 ,  D06N3/0097 ,  D06N3/147 ,  C08J2375/12 ,  D06N2203/068 ,  D06N2205/045 ,  D06N2209/103 ,  D06N2209/108

Abstract: An internally emulsified polyurethane dispersion, which is prepared by using a combined chain extender system of a hydrophilic amino siloxane compound and a polyetheramine compound, is provided. The internally emulsified polyurethane dispersion can be used to prepare a synthetic leather product having good anti-stickiness, wrinkle resistance, color fastness and superior mechanical properties. A laminated synthetic leather article prepared with said internally emulsified polyurethane dispersion as well a method for preparing the synthetic leather article are also provided.

公开(公告)号：US20210395432A1

公开(公告)日：2021-12-23

申请号：US17287633

申请日：2018-12-14

Applicant: Dow Global Technologies LLC ,  Dow Silicones Corporation

Inventor： Yanli Feng ,  Simon Toth ,  Li Ye ,  Wei Tang ,  Nanguo Liu

IPC: C08G18/18 ,  C08J9/12 ,  C08J9/00 ,  C08J9/14 ,  C08G18/22 ,  C08G18/12 ,  C08G18/42 ,  C08K5/5419 ,  C08G18/61

Abstract: A composition for preparing polyisocyanurate and polyurethane foams is provided, comprising A) an isocyanate-reactive component, B) a polyisocyanate component and C) a branched siloxane comprising at least three trimethylsiloxy groups. A method for preparing the polyisocyanurate and polyurethane foams, and foams prepared thereby are also provided.